TY - JOUR A1 - Wannberg, G. T1 - History of EISCAT - Part 5: Operation and development of the system during the first two decades JO - Hist. Geo Space. Sci. Discuss. J1 - HGSSD VL - 2021 SP - 1 EP - 31 Y1 - 2021/09/30 PB - Copernicus Publications SN - 2749-117X UR - https://hgss.copernicus.org/preprints/hgss-2021-16/ L1 - https://hgss.copernicus.org/preprints/hgss-2021-16/hgss-2021-16.pdf DO - 10.5194/hgss-2021-16 ER -